op {
  graph_op_name: "IteratorToStringHandle"
  in_arg {
    name: "resource_handle"
    description: <<END
A handle to an iterator resource.
END
  }
  out_arg {
    name: "string_handle"
    description: <<END
A string representation of the given handle.
END
  }
  summary: "Converts the given `resource_handle` representing an iterator to a string."
}
